import router from "./router/router";
import store from "./store";
import { Message } from "element-ui";
import NProgress from "nprogress"; // progress bar
import "nprogress/nprogress.css"; // progress bar style
import { getToken } from "@/utils/auth"; // getToken from cookie

NProgress.configure({ showSpinner: false }); // NProgress Configuration

// permission judge function
function hasPermission(roles, permissionRoles) {
  if (roles.indexOf("admin") >= 0) return true; // admin permission passed directly
  if (!permissionRoles) return true;
  return roles.some(role => permissionRoles.indexOf(role) >= 0);
}

const whiteList = ["/login"]; // no redirect whitelist

router.beforeEach((to, from, next) => {
  NProgress.start(); // start progress bar
  if (getToken()) {
    // determine if there has token
    /* has token*/
    if (to.path == "/login") {
      next({ path: "/" });
      NProgress.done(); // if current page is dashboard will not trigger	afterEach hook, so manually handle it
    } else {
      let needCreate = from.fullPath == "/" || from.fullPath.indexOf("/login") == 0;
      if (needCreate) {
        let asyncMenu = JSON.parse(window.localStorage.getItem("menu"));
        if (asyncMenu) {
          store.dispatch("addMenu", asyncMenu);
          store.getters.asyncMenu.forEach((item, index) => {
            router.options.routes[index + 5] = item;
          });
          router.addRoutes(router.options.routes);
        }
      }
      next();
      // if (store.getters.roles.length === 0) {
      //   // 判断当前用户是否已拉取完user_info信息
      //   store
      //     .dispatch("GetUserInfo")
      //     .then(res => {
      //       // 拉取user_info
      //       const roles = res.data.roles; // note: roles must be a array! such as: ['editor','develop']
      //       store.dispatch("GenerateRoutes", { roles }).then(() => {
      //         // 根据roles权限生成可访问的路由表
      //         router.addRoutes(store.getters.addRouters); // 动态添加可访问路由表
      //         next({ ...to, replace: true }); // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
      //       });
      //     })
      //     .catch(err => {
      //       store.dispatch("FedLogOut").then(() => {
      //         Message.error(err);
      //         next({ path: "/" });
      //       });
      //     });
      // } else {
      //   // // 没有动态改变权限的需求可直接next() 删除下方权限判断 ↓
      //   // if (hasPermission(store.getters.roles, to.meta.roles)) {
      //   //   next();
      //   // } else {
      //   //   next({ path: "/401", replace: true, query: { noGoBack: true } });
      //   // }
      //   // // 可删 ↑
      //   next();
      // }
    }
  } else {
    /* has no token*/
    if (whiteList.indexOf(to.path) !== -1) {
      // 在免登录白名单，直接进入
      next();
    } else {
      next(`/login?redirect=${to.path}`); // 否则全部重定向到登录页
      NProgress.done(); // if current page is login will not trigger afterEach hook, so manually handle it
    }
  }
});

router.afterEach(() => {
  NProgress.done(); // finish progress bar
});
